io_uring: add support for IORING_OP_OPENAT

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This works just like openat(2), except it can be performed async. For
the normal case of a non-blocking path lookup this will complete
inline. If we have to do IO to perform the open, it'll be done from
async context.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2019-12-11 11:20:36 -07:00

parent 35cb6d54c1

commit 15b71abe7b

2 changed files with 95 additions and 2 deletions

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95

fs/io_uring.c

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2

include/uapi/linux/io_uring.h

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